J.V. Converting E-TAPE-PACK/RAINB07522 JVCC E-Tape Electrical Tape Rainbow Pack, 66' Length x 3/4" Width, Rainbow Pack Colors Carrier/backing: plasticized polyvinyl chloride (pvc) film. Adhesive: rubber resin Thickness: 7 mils (carrier, adhesive). elongation: 250 percent Adhesion: 14 ounces per inch (to stainless steel test panel). tensile strength: 17 pounds per inch (longitudinal). dielectric strength: 6000 volts Service/operating temperature: 14F to 176F. Application temperature: 32F to 122F Certifications: ul/csa listed